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ASTM Grade HI Steel vs. EN 1.3961 Alloy

Both ASTM grade HI steel and EN 1.3961 alloy are iron alloys. They have 70% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HI steel and the bottom bar is EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
31
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 550
450
Tensile Strength: Yield (Proof), MPa 270
310

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 490
460
Thermal Expansion, µm/m-K 17
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 4.1
4.8
Embodied Energy, MJ/kg 59
66
Embodied Water, L/kg 200
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
130
Resilience: Unit (Modulus of Resilience), kJ/m3 180
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 20
15
Strength to Weight: Bending, points 19
16
Thermal Shock Resistance, points 12
130

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.050
Chromium (Cr), % 26 to 30
0 to 0.25
Iron (Fe), % 46.9 to 59.8
60.7 to 65
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 14 to 18
35 to 37
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.020